Analysis: Supercup defeat exposes big problems for FC Barcelona

MADRID, Jan. 15 (Xinhua) -- FC Barcelona's 4-1 defeat to Real Madrid in the Copa del Rey in Riyadh on Sunday night was a painful slap across the face for fans who believed their side still has the chance to overtake their eternal rivals this season.

Barca coach Xavi Hernandez has continued to insist Barca can make up a seven-point deficit with Real Madrid at the top of La Liga, and although there is no mathemati